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How do I join two lists in Java?
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Off the top of my head, I can shorten it by one line:
List<String> newList = new ArrayList<String>(listOne);
newList.addAll(listTwo);
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How to determine an object's class?
...to find the runtime class of the object in picture. If Parent1 is extended by Child1 and Child2, try the following code Child1 child1 = new Child1(); Parent1 parentChild = new Child2(); Child2 child2 = new Child2(); (child1 instanceof Parent1); (child1 instanceof Child1); (parentChild instanceof Ch...
Make xargs handle filenames that contain spaces
...ize the -0 flag as a solution, even if the previous command is not 'find', by simulating the effect of find's -print0 flag in my input, e.g.: ls *mp3 | tr '\n' '\0' | xargs -0 mplayer
– biomiker
Jul 5 '17 at 7:23
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Visual Studio “Find” results in “No files were found to look in. Find stopped progress.”
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According to this thread:
Posted by Microsoft on 10/13/2009 at
4:33 PM
Hi all,
Thank you for your continued interest
in this bug. We have been able to
reproduce the issue intermittently in
several versions of Visual Studio
running on sev...
Integrating MySQL with Python in Windows
...ark the development tools / libraries for installation as that is not done by default. This is needed to get the C header files.
You can verify you have done this correctly by looking in your install directory for a folder named "include". E.G C:\Program Files\MySQL\MySQL Server 5.1\include. It shou...
PreparedStatement with list of parameters in a IN clause [duplicate]
...What you can do is dynamically build the select string (the 'IN (?)' part) by a simple for loop as soon as you know how many values you need to put inside the IN clause. You can then instantiate the PreparedStatement.
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What's the scope of the “using” declaration in C++?
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I've got a bunch of namespaces all being used by one "conglomerator"-type file, and gmock unit-testing was extra tedious because each test used things from a specific namespace, and I thought I had to qualify each and every variable. Using using inside a function (or eve...
Check status of one port on remote host [closed]
...l "-p23" without the space. nmap treats each unit not immediately preceded by a flag as a separate scan destination
– Brandon Lebedev
Feb 1 '15 at 4:53
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A more useful statusline in vim? [closed]
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c is actually the byte count, even if it is sometimes called column count even in vim help. You can use v to get what is usually meant by column number.
– Ludwig Weinzierl
Jan 3 '12 at 17:26
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How can I delete all unversioned/ignored files/folders in my working copy?
...rs using Powershell (but not being allowed to comment on the original post by Stackoverflow):
powershell -Command "&{(svn status --no-ignore) -match '^[\?i]' -replace '^.\s+' | rm -recurse -force}
This adds the carat ("^") to specify the start of line, avoiding matching all files that contain...